<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="标题" prop="BannerTitle">
        <el-input
          v-model="queryParams.BannerTitle"
          placeholder="请输入标题"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="分类" prop="bannerClass">
        <el-select v-model="queryParams.bannerClass" placeholder="请选择分类" clearable size="small">
          <el-option
            v-for="dict in bannerClassOptions"
            :key="dict.dictValue"
            :label="dict.dictLabel"
            :value="dict.dictValue"
          />
        </el-select>
      </el-form-item>
      <el-form-item label="状态" prop="status">
        <el-select v-model="queryParams.status" placeholder="请选择状态" clearable size="small">
          <el-option label="已发布" value="0" />
          <el-option label="未发布" value="1" />
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['system:banner:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['system:banner:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['system:banner:remove']"
        >删除</el-button>
      </el-col>
    </el-row>

    <el-table v-loading="loading" :data="bannerList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="轮播表" align="center" prop="bannerId" v-if="false"/>
      <el-table-column label="标题" align="center" prop="bannerTitle" />
      <el-table-column label="分类" align="center" prop="bannerClass" :formatter="bannerClassFormat"/>
      <el-table-column label="轮播图" align="center" prop="bannerPic">
        <template slot-scope="scope">
          <el-image
            :src="scope.row.bannerPic"
            style="width: 100px; height: 100px"
            :preview-src-list="[scope.row.bannerPic]"
          />
        </template>
      </el-table-column>  
      <el-table-column label="发布时间" align="center" prop="releaseTime" width="180"/>
      <el-table-column label="排序" align="center" prop="sort" />
      <el-table-column label="状态" align="center" prop="status">
        <template slot-scope="scope">
          <el-tag type="success" v-if="scope.row.status==='0'">已发布</el-tag>
          <el-tag type="danger"  v-if="scope.row.status==='1'">未发布</el-tag>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['system:banner:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['system:banner:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改医疗横幅对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="700px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="100px">
        <el-row>
          <el-col :span="8">
            <el-form-item label="标题" prop="bannerTitle">
              <el-input v-model="form.bannerTitle" type="text" placeholder="请输入标题" />
            </el-form-item>
          </el-col>
          <el-col :span="14">
            <el-form-item label="分类" prop="bannerClass">
              <el-radio-group v-model="form.bannerClass">
                <el-radio
                  v-for="dict in bannerClassOptions"
                  :key="parseInt(dict.dictValue)"
                  :label="parseInt(dict.dictValue)"
                >{{ dict.dictLabel }}</el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
        </el-row>
        <el-form-item label="轮播图" prop="bannerPic" label-width="100px">
          <image-upload
            v-model="form.bannerPic"
            :limit="1"
            :file-size="20"
            :file-width="600"
            :file-height="600"
          />
        </el-form-item>
        <el-form-item label="排序" prop="sort">
          <el-input-number v-model="form.sort" :min="1" :max="10000" :step="1" ></el-input-number>
        </el-form-item>
        <el-form-item label="状态" prop="status">
          <el-radio-group v-model="form.status">
            <el-radio label="0">发布</el-radio>
            <el-radio label="1">不发布</el-radio>
          </el-radio-group>
        </el-form-item>
        
        <!-- <el-form-item label="详情" prop="bannerDesc">
          <obs-editor v-model="form.bannerDesc" :min-height="192" />
        </el-form-item> -->
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button :loading="buttonLoading" type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
    <!-- 导入对话框 -->
    <el-dialog :title="upload.title" :visible.sync="upload.open" width="400px" append-to-body>
      <el-upload
          ref="upload"
          :limit="1"
          accept=".xlsx, .xls"
          :headers="upload.headers"
          :action="upload.url"
          :disabled="upload.isUploading"
          :on-progress="handleFileUploadProgress"
          :on-success="handleFileSuccess"
          :auto-upload="false"
          drag
      >
          <i class="el-icon-upload" />
          <div class="el-upload__text">
              将文件拖到此处，或
              <em>点击上传</em>
          </div>
          <div slot="tip" class="el-upload__tip">
              <el-link type="info" style="font-size:14px;color:green" @click="importTemplate">点击下载模板</el-link>
          </div>
          <div slot="tip" class="el-upload__tip" style="color:red">提示：仅允许导入“xls”或“xlsx”格式文件！</div>
      </el-upload>
        <div slot="footer" class="dialog-footer">
            <el-button type="primary" @click="submitFileForm">确 定</el-button>
            <el-button @click="upload.open = false">取 消</el-button>
        </div>
    </el-dialog>
  </div>
</template>

<script>
    import {
        addBanner,
        delBanner,
        exportBanner,
        getBanner,
        listBanner,
        updateBanner
    } from "@/api/system/banner";
    import {getToken} from '@/utils/auth'
    import ImageUpload from '@/components/muster-upload/Image-Upload/index.vue';

    export default {
        name: "Banner",
        components: {
          ImageUpload
        },
        data() {
            return {
                // 按钮loading
                buttonLoading: false,
                // 遮罩层
                loading: true,
                // 导出遮罩层
                exportLoading: false,
                // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 医疗横幅表格数据
      bannerList: [],
      // 轮播分类
      bannerClassOptions:[],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
        // 导入参数
        upload: {
            // 是否显示弹出层
            open: false,
            // 弹出层标题
            title: '',
            // 是否禁用上传
            isUploading: false,
            // 设置上传的请求头部
            headers: { Authorization: 'Bearer ' + getToken() },
            // 上传的地址
            url: process.env.VUE_APP_BASE_API + '/workbench/banner/import'
        },
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        title: undefined,
        pic: undefined,
        desc: undefined,
        sort: undefined,
        status: undefined,
        releaseTime: undefined,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        bannerTitle: [
          { required: true, message: '标题不能为空', trigger: 'blur' }
        ],
        bannerClass: [
          { required: true, message: '分类不能为空', trigger: 'blur' }
        ],
        bannerPic: [
          { required: true, message: 'banner图不能为空', trigger: 'blur' }
        ],
        bannerDesc: [
          { required: true, message: '详情不能为空', trigger: 'blur' }
        ],
        status: [
          { required: true, message: '状态不能为空', trigger: 'blur' }
        ]
      }
    };
  },
  created() {
    this.getList();
    // 轮播图类型
    this.getDicts('sys_banner_class').then(response => {
      this.bannerClassOptions = response.data;
    });
  },
  methods: {
    /** 查询医疗横幅列表 */
    getList() {
      this.loading = true;
      listBanner(this.queryParams).then(response => {
        this.bannerList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        bannerId: undefined,
        title: undefined,
        pic: undefined,
        desc: undefined,
        sort: undefined,
        status: "0",
        releaseTime: undefined,
        createBy: undefined,
        createName: undefined,
        createTime: undefined,
        updateBy: undefined,
        updateName: undefined,
        updateTime: undefined,
        deleted: undefined
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.bannerId)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加轮播图";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.loading = true;
      this.reset();
      const bannerId = row.bannerId || this.ids
      getBanner(bannerId).then(response => {
        this.loading = false;
        this.form = response.data;
        this.open = true;
        this.title = "修改轮播图";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          this.buttonLoading = true;
          if (this.form.bannerId != null) {
            updateBanner(this.form).then(response => {
              this.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            }).finally(() => {
              this.buttonLoading = false;
            });
          } else {
            addBanner(this.form).then(response => {
              this.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            }).finally(() => {
              this.buttonLoading = false;
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const bannerIds = row.bannerId || this.ids;
      this.$confirm('是否确认删除轮播图编号为"' + bannerIds + '"的数据项?', "警告", {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }).then(() => {
          this.loading = true;
          return delBanner(bannerIds);
        }).then(() => {
          this.loading = false;
          this.getList();
          this.msgSuccess("删除成功");
        }).catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      const queryParams = this.queryParams;
      this.$confirm('是否确认导出所有医疗横幅数据项?', "警告", {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }).then(() => {
          this.exportLoading = true;
          return exportBanner(queryParams);
        }).then(response => {
          this.download(response.msg);
          this.exportLoading = false;
        }).catch(() => {});
    },
    /** 导入按钮操作 */
    handleImport() {
        this.upload.title = '轮播图导入';
        this.upload.open = true;
    },
    /** 下载模板操作 */
    importTemplate() {
        importTemplate().then(response => {
            this.download(response.msg);
        });
    },
    /** 文件上传中处理*/
    handleFileUploadProgress(event, file, fileList) {
        this.upload.isUploading = true;
    },
    /** 文件上传成功处理*/
    handleFileSuccess(response, file, fileList) {
        this.upload.open = false;
        this.upload.isUploading = false;
        this.$refs.upload.clearFiles();
        this.$alert(response.msg, '导入结果', { dangerouslyUseHTMLString: true });
        this.getList();
    },
    /** 提交上传文件*/
    submitFileForm() {
        this.$refs.upload.submit();
    },
    // 轮播分类字典翻译
    bannerClassFormat(row, column) {
      return this.selectDictLabel(this.bannerClassOptions, row.bannerClass);
    },
  }
};
</script>
